[INFO] fetching crate pyo3-asyncio-0-21 0.21.0...
[INFO] building pyo3-asyncio-0-21-0.21.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate pyo3-asyncio-0-21 0.21.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pyo3-asyncio-0-21 0.21.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pyo3-asyncio-0-21 0.21.0
[INFO] tweaked toml for crates.io crate pyo3-asyncio-0-21 0.21.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3-asyncio-0-21 0.21.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pyo3-asyncio-0-21 0.21.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9388dc6e94300a7e23726033e960c30d3e2fd3cb043f6f828b48412f980495
[INFO] running `Command { std: "docker" "start" "-a" "1e9388dc6e94300a7e23726033e960c30d3e2fd3cb043f6f828b48412f980495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9388dc6e94300a7e23726033e960c30d3e2fd3cb043f6f828b48412f980495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9388dc6e94300a7e23726033e960c30d3e2fd3cb043f6f828b48412f980495", kill_on_drop: false }`
[INFO] [stdout] 1e9388dc6e94300a7e23726033e960c30d3e2fd3cb043f6f828b48412f980495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1349d74bf25c04d2d6cf1fc1baa9be5d4e87fa3648588faa112a07cb620546f
[INFO] running `Command { std: "docker" "start" "-a" "e1349d74bf25c04d2d6cf1fc1baa9be5d4e87fa3648588faa112a07cb620546f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling pyo3-asyncio-0-21 v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `py_true` is never used
[INFO] [stdout]     --> src/generic.rs:1449:4
[INFO] [stdout]      |
[INFO] [stdout] 1449 | fn py_true() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `py_false` is never used
[INFO] [stdout]     --> src/generic.rs:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | fn py_false() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericSender` is never constructed
[INFO] [stdout]     --> src/generic.rs:1466:8
[INFO] [stdout]      |
[INFO] [stdout] 1466 | struct GenericSender<R>
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^                    ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<'_, PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:443:16
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                   ||
[INFO] [stdout]     |                |                   |the same lifetime is hidden here
[INFO] [stdout]     |                |                   the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                      ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:465:20
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                    ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                    |                   ||
[INFO] [stdout]     |                    |                   |the same lifetime is hidden here
[INFO] [stdout]     |                    |                   the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                          ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.08s
[INFO] running `Command { std: "docker" "inspect" "e1349d74bf25c04d2d6cf1fc1baa9be5d4e87fa3648588faa112a07cb620546f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1349d74bf25c04d2d6cf1fc1baa9be5d4e87fa3648588faa112a07cb620546f", kill_on_drop: false }`
[INFO] [stdout] e1349d74bf25c04d2d6cf1fc1baa9be5d4e87fa3648588faa112a07cb620546f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4329cb56fcc090ec9b698ac719418e913b8c0120c330235a7cb22aeff667120
[INFO] running `Command { std: "docker" "start" "-a" "e4329cb56fcc090ec9b698ac719418e913b8c0120c330235a7cb22aeff667120", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-asyncio-0-21 v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `py_true` is never used
[INFO] [stdout]     --> src/generic.rs:1449:4
[INFO] [stdout]      |
[INFO] [stdout] 1449 | fn py_true() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `py_false` is never used
[INFO] [stdout]     --> src/generic.rs:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | fn py_false() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericSender` is never constructed
[INFO] [stdout]     --> src/generic.rs:1466:8
[INFO] [stdout]      |
[INFO] [stdout] 1466 | struct GenericSender<R>
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^                    ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<'_, PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:443:16
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                   ||
[INFO] [stdout]     |                |                   |the same lifetime is hidden here
[INFO] [stdout]     |                |                   the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                      ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:465:20
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                    ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                    |                   ||
[INFO] [stdout]     |                    |                   |the same lifetime is hidden here
[INFO] [stdout]     |                    |                   the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                          ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^                    ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn create_future(event_loop: Bound<'_, PyAny>) -> PyResult<Bound<'_, PyAny>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `py_true` is never used
[INFO] [stdout]     --> src/generic.rs:1449:4
[INFO] [stdout]      |
[INFO] [stdout] 1449 | fn py_true() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `py_false` is never used
[INFO] [stdout]     --> src/generic.rs:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | fn py_false() -> PyObject {
[INFO] [stdout]      |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericSender` is never constructed
[INFO] [stdout]     --> src/generic.rs:1466:8
[INFO] [stdout]      |
[INFO] [stdout] 1466 | struct GenericSender<R>
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:443:16
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                |                   ||
[INFO] [stdout]     |                |                   |the same lifetime is hidden here
[INFO] [stdout]     |                |                   the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn asyncio(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                      ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:465:20
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python) -> PyResult<&Bound<PyAny>> {
[INFO] [stdout]     |                    ^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout]     |                    |                   ||
[INFO] [stdout]     |                    |                   |the same lifetime is hidden here
[INFO] [stdout]     |                    |                   the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 465 | fn contextvars(py: Python<'_>) -> PyResult<&Bound<'_, PyAny>> {
[INFO] [stdout]     |                          ++++                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "e4329cb56fcc090ec9b698ac719418e913b8c0120c330235a7cb22aeff667120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4329cb56fcc090ec9b698ac719418e913b8c0120c330235a7cb22aeff667120", kill_on_drop: false }`
[INFO] [stdout] e4329cb56fcc090ec9b698ac719418e913b8c0120c330235a7cb22aeff667120
